Factor Info

ID 43479
Size 306 digits / 1016 bits
Status composite
Value 508556253283695976181039727012433745504731119294809088777921578125438459557873031391946322447942926443115299726280573828187456103721534699395310190806653496075315071902570989724368544866393416485933581256483650968342097584156703600793717997704248430074203993028116022821819611283594376927590006258049178889

Factorizations

Primary (ID: 480) 72846749180048315217661 (proven prime)
(ID: 43480) 6981179791932050617826374710096725755963325338542530360658937220931421694700512856950148529319054660666670679294624182417760012532666683578119996378358823755450361383207388144414349978518735683482281341625266426787785367270788843589655417060012776592523874419890857042138274239703549 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.